Mesenteric Castleman Disease Misdiagnosed as Lymph Node Metastasis of Rectal Cancer on 18 F-FDG PET/CT.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 37703486.
- Also identified by DOI 10.1097/RLU.0000000000004832.
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Abstract
Two years ago, a 64-year-old man underwent an 18 F-FDG PET/CT for staging rectal cancer. Besides the hypermetabolic rectal lesion, the image revealed a mesenteric lymph node with intense activity and multiple lung nodules with slight FDG uptake, which were highly suspected of metastases. After surgery and multiple cycles of chemotherapy, the follow-up 18 F-FDG PET/CT showed remission of all lesions except for the enlarged mesenteric lymph node with higher metabolic activity. Serum CEA remained normal during the follow-up. Postoperative pathology of the mesenteric lymph node confirmed Castleman disease.
Medical subject headings
- Castleman Disease
- Rectal Neoplasms